Finding the Fourth Proportional to 673,463.91, 929,378.30 and 371,655.75
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Solution
The fourth proportional to 673,463.91, 929,378.30 and 371,655.75 is: 512,883.89
Step by Step Solution
- Step 1: Write the proportion equation
673,463.91 : 929,378.30 = 371,655.75 : x - Step 2: Convert to fraction form
673,463.91/929,378.30 = 371,655.75/x - Step 3: Cross multiply
673,463.91x = 929,378.30 × 371,655.75 - Step 4: Simplify right side
673,463.91x = 345,408,787,261.95 - Step 5: Solve for x
x = 345,408,787,261.95/673,463.91 - Step 6: Final answer
x = 512,883.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.